<template>
  <view class="my-settle-container">
    <!-- 全选 -->
    <label class="radio" @click="changeAllState">
      <radio :checked="isFullCheck" color="#C00000" /><text>全选</text>
    </label>
    <!-- 合计 -->
    <view class="amount-box">
      合计:<text class="amount">￥{{checkedGoodsAmount}}</text>
    </view>
    <!-- 结算 -->
    <view class="btn-settle" @click="settlement">
      结算({{checkedCount}})
    </view>
  </view>
</template>

<script>
  import { mapGetters, mapMutations, mapState } from 'vuex'
  export default {
    name:"my-settle",
    data() {
      return {
        seconds: 3,
        timer: null
      };
    },
    computed: {
      ...mapGetters('m_cart', ['checkedCount', 'total', 'checkedGoodsAmount']),
      ...mapGetters('m_user', ['detailAddress']),
      ...mapState('m_user', ['token']),
      ...mapState('m_cart', ['cart']),
      isFullCheck() {
        return this.total === this.checkedCount
      }
    },
    methods: {
      ...mapMutations('m_cart', ['updateAllGoodsState']),
      ...mapMutations('m_user', ['updateRedirectInfo']),
      changeAllState() {
        this.updateAllGoodsState(!this.isFullCheck)
      },
      settlement() {
        // 1. 先判断是否勾选了要结算的商品
          if (!this.checkedCount) return uni.$showMsg('请选择要结算的商品！')
          // 2. 再判断用户是否选择了收货地址
          if (!this.detailAddress) return uni.$showMsg('请选择收货地址！')
          // 3. 最后判断用户是否登录了
          if (!this.token) return this.delayNavigate()
          
          this.payOrder()
      },
      // 微信支付
      async payOrder() {
        // 1.创建订单
        const orderInfo = {
          orderPrice: this.checkedGoodsAmount,
          consignee_addr: this.detailAddress,
          goods: this.cart.filter(goods => goods.goods_state).map(goods => ({
            goods_id: goods.goods_id, 
            goods_number: goods.goods_count, 
            goods_price: goods.goods_price
          }))
        }
        const { data } = await uni.$http.post('/api/public/v1/my/orders/create', orderInfo)
        // if (res.meta.status !== 200) return uni.$showMsg('创建订单失败！')
        // 拿到订单号
        const orderNumber = data.message.order_number
        
        // 2.订单预支付
        const { data: res2 } = await uni.$http.post('/api/public/v1/my/orders/req_unifiedorder', { order_number: orderNumber })
        // if (res2.meta.status !== 200) return uni.$showError('预付订单生成失败！')
        // 拿到订单支付相关的5个参数
        const payInfo = res2.message.pay
        // 3.发起微信支付
        const [error, success] = await uni.requestPayment(payInfo)
        if (error) return uni.$showMsg('订单未支付！')
        // 进一步查询支付的结果
        const { data: res3 } = uni.$http.post('/api/public/v1/my/orders/chkOrder', { order_number: orderNumber })
        if (res3.meta.status !== 200) return uni.$showMsg('订单未支付！')
        uni.showToast({
          title: '支付成功',
          icon: 'success'
        })
      },
      delayNavigate() {
        this.seconds = 3
        this.showTips(this.seconds)
        this.timer = setInterval(() => {
          this.seconds--
          if (this.seconds <= 0) {
            clearInterval(this.timer)
            return uni.switchTab({
              url: '/pages/my/my',
              success: () => {
                this.updateRedirectInfo({
                  from: '/pages/cart/cart',
                  openType: 'switchTab'
                })
              }
            })
          }
          this.showTips(this.seconds)
        }, 1000)
      },
      showTips(n) {
        uni.showToast({
          title: '请登录后再结算！' + n + ' 秒后自动跳转到登录页',
          mask: true,
          duration: 1500,
          icon: 'none'
        })
      }
    }
  }
  
  //这个token可以成功创建订单 太长我分成两截了 Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.
</script>
<style lang="scss">
.my-settle-container {
  position: fixed;
  bottom: 0;
  left: 0;
  background-color: white;
  height: 50px;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-left: 5px;
  font-size: 14px;
  .radio {
    display: flex;
    align-items: center;
  }
  .amount {
    color: #c00000;
  }
  .btn-settle {
    background-color: #c00000;
    height: 50px;
    min-width: 100px;
    text-align: center;
    line-height: 50px;
    color: white;
    padding: 0 10px;
  }
}
</style>